US4243306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pad device
Assignee: Marwitz and Hauser GmbH
•
Filing: 1978-05-30
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Granted: 1981-01-06
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Expires: 1998-05-30
Abstract
Abstract A pad of homogeneous material has a closed, substantially smooth surface. It is age-resistant, wear-resistant and gentle on the skin. It can be permanently connected to the material used for spectacle frames, made of translucent material and made with a lustrous surface. It has a Shore D hardness of 10 to 30 measured in accordance with DIN 53 505.
Inventors
- 👤 Walter H. Bononi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 00:37
CPC Classifications
G; G02; G02C; G02C5/00; G02C5/12; G02C5/126
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
85 words
A pad to be applied to the root area of the nose of a person wearing spectacle frames, comprising a homogenous material body having a closed, substantially smooth surface, said body material being permanently bondable to material used for spectacle frames, said body material being age-resistant and wear-resistant when worn, said material body having a lustrous surface and can be made translucent, said body material softness within a range of 10 to 30 measured according to DIN 53 505 on the Shore D hardness scale.
Claim 2
Dependent Claim
85 words
A pad to be applied to the root area of the nose of a person wearing spectacle frames, comprising a homogenous material body having a closed, substantially smooth surface, said body material being permanently bondable to material used for spectacle frames, said body material being age-resistant and wear-resistant when worn, said material body having a lustrous surface and can be made translucent, said body material softness within a range of 10 to 30 measured according to DIN 53 505 on the Shore D hardness scale.
Claim 3
Dependent Claim
18 words
A pad as claimed in claim 1, characterized in that it has a hardness of 10 to 20.
Claim 4
Dependent Claim
18 words
A pad as claimed in claim 2, characterized in that it has a hardness of about 16 ±15%.
Claim 5
Dependent Claim
25 words
A pad as claimed in claim 1 wherein said material body is provided with opening means for receiving locking pins provided on the spectacle frame.
Claim 6
Dependent Claim
18 words
A pad as claimed in claim 1, wherein it is shaped to enable engagement on the spectacle frame.
Claim 7
Dependent Claim
18 words
A pad as claimed in claim 5, having grooves in which the rims of the frame can lock.
Claim 8
Dependent Claim
11 words
A pad as claimed in claim 1 having a kidney shape.
Claim 9
Dependent Claim
23 words
A pad as claimed in claim 1, wherein the pad base is bonded to the material of the rim of the spectacle frame.
Claim 10
Dependent Claim
14 words
A pad as claimed in claim 1, wherein said material is of Vestolithian type.
Claim 11
Dependent Claim
14 words
A pad as claimed in claim 1, wherein it is shaped like a saddle.
Claim 12
Dependent Claim
27 words
A pad as claimed in claim 1, wherein said material body is provided with two approximately vertical opening means for receiving a pad lever inserted into each.
Claim 13
Dependent Claim
30 words
A pad as claimed in claims 1, 2, 3, 4, 5, 6, 7, 8, 10 or 11, wherein said material is the silicone resin sold under trademark Sylgard No. 186.
References Cited (Backward Citations)
GB445100A
Cited
FR1540371A
Cited
US3584939A
Cited
US3923385A
Cited
DE2545683A1
Cited
US4142784A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-01-06 | 1984-07-07 | 1985-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-01-06 | 1988-07-07 | 1989-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-01-06 | 1992-07-07 | 1993-01-06 | $7700.00 | Window Closed / Lapsed |